Reacts exothermically with carbonates (including limestone and building materials containing limestone) and hydrogen carbonates to. Reacts exothermically with organic bases (amines, amides) and inorganic bases (oxides and hydroxides of metals). © 1972 The American Institute of Physics. HYDROCHLORIC ACID is an aqueous solution of hydrogen chloride, an acidic gas.Stull (Dow Chemical, Midland, Mich., 1965). JANAF Thermochemical Tables, edited by D. In this work, density of oxide/barrier interface traps (D it ) was determined in AlGaN/GaN MOS-HEMT structures with different SDs density (Nds), resulted from. Jacobs, Abstracts, 162nd National Meeting of the American Chemical Society, Washington, D.C., September 1971, Physical Chemistry Paper No. The temperature dependence of k HCl – HCl departs from Arrhenius form, with the apparent activation energy increasing at lower temperatures. These same data yield an apparent rate coefficient due to HCl – HCl collisions, k HCl – HCl, which satisfactorily describes the data obtained for pure HCl, with k HCl – HCl ≅ 10 k HCl – Ar. degree, for the rate coefficient due to HCl – Ar collisions, in good agreement with other reported values.Liquid density (at boiling point) 1192.98 kg/m 3. The rate coefficients thus obtained for the mixtures of 5%, 10%, and 20% HCl exhibit a high degree of precision and yield the result k HCl – Ar = 4.78 × 10 13 exp (‐82 700 / RT) cc / mole Latent heat of vaporization (at boiling point) 448.87 kJ/kg. The postshock density gradient profiles exhibit the same highly characteristic ``dip'' observed previously with O 2‐rare gas mixtures, and the magnitude of the gradient at this point is again interpreted as a measure of the initial dissociation rate. ![]() Dissociation rates were determined by measurement of postshock density gradients using a laser‐beam deflection technique. The dissociation of HCl in mixtures of 5%, 10%, and 20% HCl in Ar in the temperature range 3500–7000°K and in pure HCl in the range 3000–4000°K has been studied behind incident shock waves.
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